William was a man of discernment, with an eye for quality...威廉是个有鉴赏力的人，对于品质的优劣很有眼光。...their lack of discernment and acceptance of inferior quality.他们不识货，接受了劣质品lacking in insight or discernment缺少洞察力或者识别能力William was a man...
The shambling of his angular figure now directed him to a lean - to.他瘦削的身子踉踉跄跄地朝那间披屋走去....his tall, shambling figure.他那高大而且步履蹒跚的背影He was hollow - chested, squint - eyed, and rather shambling, but spry enough withal.他胸膛低陷...
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...